<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>注册页面</title>
    <link rel="stylesheet" href="css/conmmon.css">
    <link rel="stylesheet" href="css/login.css">
    <script src="js/jquery.min.js"></script>
</head>

<body>
    <!-- 导航栏 -->
    <div class="nav">
        <img src="img/logo2.jpg" alt="">
        <span class="title">我的博客系统</span>
        <!-- 用来占据中间位置 -->
        <span class="spacer"></span>
        <a href="blog_list.html">主页</a>
        <a href="login.html">登陆</a>
        <!-- <a href="#">注销</a> -->
    </div>
    <!-- 版心 -->
    <div class="login-container">
        <!-- 中间的注册框 -->
        <div class="login-dialog">
            <h3>注册</h3>
            <div class="row">
                <span >用户名</span>
                <input type="text" id="username">
            </div>
            <div class="row">
                <span >密码</span>
                <input type="password" id="password">
            </div>
            <div class="row">
                <span >确认密码</span>
                <input type="password" id="password2">
            </div>
            <div class="row">
                <button id="submit" onclick="sub()">提交</button>
            </div>
        </div>
    </div>
    <script>
        // 提交用户注册信息
        function sub() {
            // 1 . 获取用户信息 / 控件 + 非空校验
            // var username = document.getElementById("username"); 原生写法,拿到控件
            var username =jQuery("#username"); 
            var password = jQuery("#password"); // 获取控制的值
            var password2 = jQuery("#password2");
            if (username.val().trim() =="") {
                alert("请输入用户名");
                username.focus();
                return false;
            }
            if (password.val().trim()=="") {
                alert("请输入密码");
                password.focus();
                return false;
            }
            if (password2.val().trim()=="") {
                alert("请输入确认密码");
                password2.focus();
                return false;
            }
            // 校验两次密码是否一致
            if (password.val().trim() != password2.val().trim()) {
                alert("密码和确认密码不一致");
                password2.focus();
                return false;
            }
            // 2 . 将数据提交给后端 type 非查询 post
            jQuery.ajax ({
                url:"user/reg",
                type:"POST",
                data:{
                    "username":username.val().trim(),
                    "password":password.val().trim()
                },
                success :function succ(res) {
                    // 3 . 将后端返回的结果展示给用户 约定好返回的数据的格式 
                    if (res.code == 200 && res.data == 1) {
                        alert("注册成功");
                        // 跳转到登录页面
                        location.href = "/login.html";
                    } else {
                        alert("注册失败" + res.msg);
                    }
                    
                }
            });
            

        }
    </script>
</body>

</html>